The equation of the central street PQ is -1.5x - 3.5y = -31.5 option (b) is correct.
<h3>What is a straight line?</h3>
A straight line is a combination of endless points joined on both sides of the point.
We have a straight line:
Convert it to the general form given below:

or

(Slope of AB line)
For the slope(m') of the PQ line:
( because AB and PQ are perpendicular to each other)

We know the:

Where (x', y') = (7, 6), we get:


(multiply by -1/2 on both sides)
Thus, the equation of the central street PQ is -1.5x - 3.5y = -31.5
Learn more about the straight line.
brainly.com/question/3493733
Answer:
-8z-8
Step-by-step explanation:
well add the 3z with -5z and will be -8z
and 2 and 6 add both and get 8
Answer:

Step-by-step explanation:
<u>Step 1: Subtract 21 from both sides</u>



<u>Step 2: Divide 8 from both sides</u>



Answer: 
Answer:
x-intercept = (8,0)
y-intercept = (0,20)